CN113950024B - Data transmission method, device and storage medium - Google Patents

Data transmission method, device and storage medium Download PDF

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Publication number
CN113950024B
CN113950024B CN202111212251.2A CN202111212251A CN113950024B CN 113950024 B CN113950024 B CN 113950024B CN 202111212251 A CN202111212251 A CN 202111212251A CN 113950024 B CN113950024 B CN 113950024B
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China
Prior art keywords
data
vehicle
type
security policy
mounted terminal
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CN202111212251.2A
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CN113950024A (en
Inventor
刘志权
韦江波
李维佳
李中
钤建考
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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Priority to CN202111212251.2A priority Critical patent/CN113950024B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/009—Security arrangements; Authentication; Protecting privacy or anonymity specially adapted for networks, e.g. wireless sensor networks, ad-hoc networks, RFID networks or cloud networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/30—Security of mobile devices; Security of mobile applications
    • H04W12/37—Managing security policies for mobile devices or for controlling mobile applications

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Traffic Control Systems (AREA)

Abstract

The application provides a data transmission method, a data transmission device and a storage medium. The method comprises the following steps: the vehicle-mounted terminal acquires first type data and second type data; the vehicle-mounted terminal configures a first security policy for the first type of data according to a preset corresponding relation, and configures a second security policy for the second type of data; the vehicle-mounted terminal encrypts the first type of data according to the first security policy to obtain first encrypted data, and encrypts the second type of data according to the second security policy to obtain second encrypted data; the vehicle-mounted terminal sends the first encrypted data and the second encrypted data to the remote driving center through the control center. The method classifies the data acquired by the vehicle-mounted terminal, does not encrypt excessively, and is beneficial to reducing the delay of data transmission in the Internet of vehicles.

Description

Data transmission method, device and storage medium
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission method, apparatus, and storage medium.
Background
The vehicle networking can collect vehicle dynamic information in the vehicle networking through a wireless communication technology, the collected vehicle dynamic information is effectively utilized, and services are provided for vehicles in vehicle operation so as to provide guarantee for vehicle operation. With the development of the technology of the internet of vehicles, a remote driving center in the internet of vehicles can remotely control vehicles to provide guarantee for smooth running of the vehicles.
Currently, a remote driving center in the internet of vehicles may generate delay in the process of transmitting encrypted data with a controlled vehicle, which causes the remote control of the vehicle by the remote driving center to be inaccurate.
Disclosure of Invention
The application provides a data transmission method, a data transmission device and a storage medium, which are beneficial to reducing delay when a remote driving center and a vehicle in the Internet of vehicles perform encrypted data transmission.
In a first aspect, an embodiment of the present application provides a data transmission method, which is applied to a vehicle-mounted terminal accessing the internet in the internet of vehicles; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle, and the vehicle network also comprises a control center connected with the Internet and a remote driving center connected with the Internet; the method comprises the following steps: the vehicle-mounted terminal acquires first type data and second type data; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle; the vehicle-mounted terminal configures a first security policy for the first type of data according to a preset corresponding relation, and configures a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types include a first type and a second type; the security policies include a first security policy and a second security policy; any security policy includes at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the first security policy includes less encryption than the second security policy; the vehicle-mounted terminal encrypts the first type of data according to the first security policy to obtain first encrypted data, and encrypts the second type of data according to the second security policy to obtain second encrypted data; the vehicle-mounted terminal sends the first encrypted data and the second encrypted data to the remote driving center through the control center.
In the embodiment of the application, the vehicle-mounted terminal can classify the data acquired by the vehicle-mounted terminal according to the importance degree of the data, and different types of data are encrypted in different numbers of encryption modes, so that the data are not excessively encrypted when being encrypted, thereby being beneficial to reducing the occupation of the vehicle-mounted terminal or the remote driving center to the computing resources in the vehicle-mounted terminal and the remote driving center in the process of encrypting or decrypting the data in the vehicle networking, and further being beneficial to reducing the delay in data transmission in the vehicle networking.
In a possible implementation manner, the data type further includes a third type, and the security policy further includes a third security policy; the vehicle-mounted terminal is connected with the vehicle through the controller local area network bus, and any security policy also comprises a decryption mode corresponding to the encryption mode; the method further comprises the steps of: the vehicle-mounted terminal receives data of a third type from a remote driving center; the third type of data includes control instruction data for controlling the vehicle; the vehicle-mounted terminal acquires a third security policy corresponding to the third type of data according to a preset corresponding relation; the third security policy includes more encryption than the second security policy; the vehicle-mounted terminal decrypts the data of the third type according to the decryption mode included in the third security policy to obtain control instruction data; the vehicle-mounted terminal sends a control command to a whole vehicle controller of the vehicle through a control local area network bus according to the control command data; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
In this way, the data with high importance degree such as the control instruction data is encrypted by adopting a plurality of encryption modes, so that the safety degree of the control instruction data for controlling the vehicle in the Internet of vehicles can be improved.
In another possible implementation, the first security policy includes transmission channel encryption; the method further comprises the steps of: the vehicle-mounted terminal sends a registration message to the core network equipment so as to access the Internet; the registration message comprises an account identifier of the vehicle-mounted terminal; the vehicle-mounted terminal is accessed to the Internet; the vehicle-mounted terminal encrypts the first type of data according to a first security policy to obtain first encrypted data, and the method comprises the following steps: and the vehicle-mounted terminal encapsulates the first type of data according to the tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal to obtain first encrypted data.
Therefore, the basic data such as the first type of data is transmitted by adopting the secure tunnel, so that the first type of data is not excessively encrypted, excessive computing resources are consumed when the vehicle-mounted terminal encrypts the first type of data, and delay of the first type of data in the transmission process is reduced.
In another possible implementation manner, the sending, by the vehicle terminal, the first encrypted data to the remote driving center through the control center includes: and the vehicle-mounted terminal sends the first encrypted data to the remote driving center through the control center through a special tunnel corresponding to the account identifier of the vehicle-mounted terminal.
In a second aspect, the application provides another data transmission method applied to a remote driving center connected to the Internet in the Internet of vehicles; the Internet of vehicles further comprises a vehicle-mounted terminal accessed to the Internet and a control center accessed to the Internet; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle; the method comprises the following steps: the remote driving center receives the first encrypted data and the second encrypted data from the vehicle-mounted terminal; the first encrypted data is data obtained by encrypting the first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting the second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle; the remote driving center respectively acquires a first safety strategy corresponding to the first type and a second safety strategy corresponding to the second type according to a preset corresponding relation; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types include a first type and a second type; the security policies include a first security policy and a second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the first security policy includes less encryption than the second security policy; the remote driving center decrypts the first encrypted data according to a decryption mode included in the first security policy to obtain first type data, and decrypts the second encrypted data according to a decryption mode included in the second security policy to obtain second type data; the remote driving center feeds back the first type of data and the second type of data to the user.
In this way, the remote driving center takes up less computing resources of the remote driving center when decrypting the first encrypted data than the remote driving center takes up computing resources of the remote driving center when decrypting the second encrypted data. The method is beneficial to reducing the delay of data transmission in the Internet of vehicles, and further improving the accuracy of vehicle control of a remote driving center.
In one possible implementation, the data types further include a third type; the security policies also include a third security policy; the method further comprises the steps of: the remote driving center receives user operation and responds to the user operation to acquire data of a third type; the third type of data includes control instruction data for controlling the vehicle; the remote driving center acquires a third security policy corresponding to the third type of data according to a preset corresponding relation; the third security policy includes more encryption than the second security policy; the remote driving center encrypts third type data according to a third security policy to obtain third encrypted data; the remote driving center sends third encrypted data to the vehicle-mounted terminal through the control center, wherein the third encrypted data is used for sending a control instruction to a vehicle controller of the vehicle by the vehicle-mounted terminal according to the control instruction data; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
In this way, the data with high importance degree such as the control instruction data is encrypted by adopting a plurality of encryption modes, so that the safety degree of the control instruction data for controlling the vehicle in the Internet of vehicles can be improved.
In a third aspect, the application provides a data transmission device, which is applied to a vehicle-mounted terminal connected to the internet on a vehicle in the internet, wherein the internet also comprises a control center connected to the internet and a remote driving center connected to the internet; the data transmission device includes: the processing module is used for acquiring the first type of data and the second type of data; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle; configuring a first security policy for the first type of data according to a preset corresponding relation, and configuring a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types include a first type and a second type; the security policies include a first security policy and a second security policy; any security policy includes at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the first security policy includes less encryption than the second security policy; encrypting the first type of data according to the first security policy to obtain first encrypted data, and encrypting the second type of data according to the second security policy to obtain second encrypted data; the communication module is used for sending the first encrypted data and the second encrypted data to the remote driving center through the control center.
Optionally, the data type further includes a third type, and the security policy further includes a third security policy; the vehicle-mounted terminal is connected with the vehicle through the controller local area network bus, and any security policy also comprises a decryption mode corresponding to the encryption mode; the communication module is also for: receiving a third type of data from a remote driving center; the third type of data includes control instruction data for controlling the vehicle; the processing module is further used for acquiring a third security policy corresponding to the data of the third type according to the preset corresponding relation; the third security policy includes more encryption than the second security policy; decrypting the data of the third type according to a decryption mode included in the third security policy to obtain control instruction data; the communication module is also used for sending a control instruction to the whole vehicle controller of the vehicle through the control local area network bus according to the control instruction data; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
Optionally, the first security policy includes transmission channel encryption; the communication module is also used for sending a registration message to the core network equipment so as to access the Internet; the registration message comprises an account identifier of the vehicle-mounted terminal; the communication module is also used for accessing the Internet; the processing module is specifically configured to encapsulate the first type of data according to a tunneling protocol corresponding to the account identifier of the vehicle-mounted terminal, so as to obtain first encrypted data.
Optionally, the communication module is specifically configured to send the first encrypted data to the remote driving center through the control center through a dedicated tunnel corresponding to the account identifier of the vehicle-mounted terminal.
In a fourth aspect, the present application provides another data transmission device, which is applied to a remote driving center accessing the internet in the internet of vehicles; the Internet of vehicles further comprises a vehicle-mounted terminal accessed to the Internet and a control center accessed to the Internet; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle; the data transmission device includes: the communication module is used for receiving the first encrypted data and the second encrypted data from the vehicle-mounted terminal; the first encrypted data is data obtained by encrypting the first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting the second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle; the processing module is used for respectively acquiring a first security policy corresponding to the first type and a second security policy corresponding to the second type according to a preset corresponding relation; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types include a first type and a second type; the security policies include a first security policy and a second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the first security policy includes less encryption than the second security policy; decrypting the first encrypted data according to a decryption mode included in the first security policy to obtain first type data, and decrypting the second encrypted data according to a decryption mode included in the second security policy to obtain second type data; and feeding back the first type of data and the second type of data to the user.
Optionally, the data types further include a third type; the security policies also include a third security policy; the processing module is also used for receiving user operation and responding to the user operation to acquire the third type of data; the third type of data includes control instruction data for controlling the vehicle; acquiring a third security policy corresponding to the data of the third type according to a preset corresponding relation; the third security policy includes more encryption than the second security policy; the remote driving center encrypts third type data according to a third security policy to obtain third encrypted data; the communication module is used for sending third encrypted data to the vehicle-mounted terminal through the control center, wherein the third encrypted data is used for sending a control instruction to the whole vehicle controller of the vehicle according to the control instruction data by the vehicle-mounted terminal; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
In a fifth aspect, an embodiment of the present application provides an electronic device, including: a processor, and a memory communicatively coupled to the processor; the memory stores computer-executable instructions; the processor executes computer-executable instructions stored by the memory to implement a data transmission method as provided by the first aspect and any one of the possible implementations of the first aspect, or to implement a data transmission method as provided by the second aspect and any one of the possible implementations of the second aspect.
In a sixth aspect, embodiments of the present application provide a computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to implement a data transmission method as provided in the first aspect and any one of the possible implementations of the first aspect, or to implement a data transmission method as provided in the second aspect and any one of the possible implementations of the second aspect.
In a seventh aspect, embodiments of the present application provide a computer program product comprising a computer program which, when executed by a processor, implements a data transmission method as provided by the first aspect and any one of the possible implementations of the first aspect, or implements a data transmission method as provided by the second aspect and any one of the possible implementations of the second aspect.
It should be understood that the third to seventh aspects of the present application correspond to the technical solutions of the first aspect and the second aspect of the present application, and the beneficial effects obtained by each aspect and the corresponding possible embodiments are similar, and are not repeated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic diagram of an internet of vehicles system architecture to which a data transmission method provided by an embodiment of the present application is applicable;
fig. 2 is a schematic structural diagram of an electronic device to which the data transmission method according to the embodiment of the present application is applicable;
fig. 3 is a flow chart of a data transmission method according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a vehicle-mounted terminal according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a remote driving center according to an embodiment of the present application.
Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.
First, the terms related to the present application will be explained:
1) Internet of vehicles
The internet of vehicles refers to that a vehicle-mounted terminal on a vehicle effectively utilizes all vehicle dynamic information in an information network platform through a wireless communication technology so as to provide services for the running vehicle in the running process of the vehicle.
2) Other terms:
in embodiments of the present application, the words "first," "second," and the like are used to distinguish between identical or similar items that have substantially the same function and effect. For example, the first chip and the second chip are merely for distinguishing different chips, and the order of the different chips is not limited. It will be appreciated by those of skill in the art that the words "first," "second," and the like do not limit the amount and order of execution, and that the words "first," "second," and the like do not necessarily differ.
It should be noted that, in the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
In the embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b, or c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.
The control center in the internet of vehicles can collect the running state information such as speed, course angle, acceleration, oil consumption, electricity consumption and the like of the vehicles carried by the vehicle-mounted terminals in the internet of vehicles, route information, audio and video information inside and outside the vehicles, alarm information of the vehicles and other vehicle information. The control center sends the collected information to a remote driving center responsible for monitoring the vehicle. A user in charge of monitoring the vehicle views the information of the vehicle and, in case the information of the vehicle characterizes a need for manual intervention, operates a remote driving center to control the vehicle. The remote driving center may receive an operation instruction of a user and transmit control instruction data to the vehicle to control the vehicle in response to the operation instruction.
Currently, there may be a delay in the vehicle information seen by the user at the remote driving center or the control instruction data sent by the remote driving center to the controlled vehicle, resulting in insufficient accuracy in the remote control of the vehicle by the remote driving center.
The vehicle information transmitted in the internet of vehicles is sourced from various users, and control instruction data influences the life health of various users, so that the data transmitted in the internet of vehicles uses various encryption technologies to prevent accidents such as privacy leakage or malicious tampering, and the application of the various encryption technologies influences the processing speed of a vehicle-mounted terminal or a remote driving center, thereby causing delay of data transmission in the internet of vehicles.
In view of this, the embodiment of the application provides a data transmission method, which classifies the internet of vehicles data according to importance, encrypts the important data by using more encryption modes, and encrypts general data by using fewer encryption modes. Therefore, when data encryption is carried out, the data are not excessively encrypted, so that occupation of computing resources in the vehicle-mounted terminal or the remote driving center in the process of data encryption or data decryption in the vehicle-mounted terminal or the remote driving center in the vehicle networking is reduced, and delay in data transmission in the vehicle networking is reduced.
The data transmission method provided by the application can be applied to the schematic diagram of the system architecture of the Internet of vehicles shown in FIG. 1. As shown in fig. 1, the internet of vehicles system includes: an in-vehicle terminal 101, a client terminal device 102-1, a core network device 103-1, a control center 104, a core network device 103-2, a client terminal device 102-2, and a remote driving center 105.
The vehicle-mounted terminal 101 may be installed and fixed in a vehicle, and the vehicle-mounted terminal 101 may include a global positioning system (global positioning system, GPS) positioning function and/or a chinese beidou satellite navigation system (bei dou navigation satellite system, BDS) positioning function, an acceleration sensor, a heading angle, a yaw rate sensor, and an audio signal acquisition sensor. The in-vehicle terminal 101 may be connected to a vehicle controller (vehicle controller unit, VCU) of the vehicle through a controller area network (controller area network, CAN) bus. The transverse or longitudinal control of the vehicle is realized by controlling the steering wheel, the accelerator, the brake, the gear, the reversing and the like at the vehicle end in real time.
During the running of the vehicle, the vehicle-mounted terminal 101 may transmit information such as a gear, a speed, an acceleration, a heading angle, a yaw rate, an audio signal sent from an engine of the vehicle, etc. of the vehicle to the remote driving center 105 through the vehicle-mounted client terminal device 102-1 by using a 5G operator cloud private line. The in-vehicle customer premise equipment 102-1 may be a 5G CPE.
The 5G operator cloud private line may include a 5G cpe, a 5G base station, a core network, a core router, etc. After receiving the information sent by the 5G CPE, the 5G base station transmits the received information to the core network, reaches the 5G base station connected with the client terminal equipment 102-2 after passing through the core router, and transmits the information to the remote driving center 105 through the client terminal equipment 102-2. In this way, the delay of the in-vehicle terminal 101 to the remote driving center 105 can be controlled within 50 ms.
The vehicle-mounted terminal 101 may also be connected to a plurality of high-definition cameras mounted on the vehicle, where the cameras are used to collect images representing the road conditions surrounding the vehicle, and the vehicle-mounted terminal 101 is transmitted back to the control center 104 through the vehicle-mounted client terminal device 102-1.
The control center 104 may transmit information from the in-vehicle terminal 101 to the remote driving center 105 through the client terminal device 102-2. The control center 104 may display basic information of the vehicle, running state information of the vehicle, scheduling instruction data of the vehicle, warning information of the vehicle, inside and outside monitoring video data of the vehicle, control instruction data of the vehicle, etc. using a man-machine interface, and the control center 104 may store the received information and transmit the received information to the corresponding remote driving center 105. The vehicle basic information includes: frame number, license plate number, engine number, vehicle manufacturer name, vehicle brand, vehicle model, color, date of delivery, gearbox, power, drive form, fuel type, etc. The vehicle running state information includes and the like. At least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle. The vehicle scheduling instruction data includes traveling of the vehicle.
The remote driving center 105 can simulate the running gear, speed, heading angle, yaw rate, and the like of the vehicle based on the information from the in-vehicle terminal 101. The remote driving center 105 may also integrate a plurality of sensors such as an acceleration sensor, a heading angle sensor, a yaw rate, an audio signal acquisition sensor, and the like. The remote driving center 105 may receive an operation instruction of a user, and transmit a control instruction to the in-vehicle terminal 101 to control the operation of the vehicle in response to the operation instruction.
When it should be noted that, the number of the vehicle-mounted terminals 101 connected to the internet and the number of the remote driving centers 105 connected to the internet are not limited, and the number of the vehicle-mounted terminals 101 connected to the internet is 20 and the number of the remote driving centers 105 connected to the internet is 2, and each remote driving center 105 is responsible for remotely monitoring the vehicles where 10 vehicle-mounted terminals are located.
The in-vehicle terminal 101 and the remote driving center 105 monitoring the vehicle in which it is located can transmit data through the control center 104 according to a publish-subscribe mechanism. Illustratively, the in-vehicle terminal 101 of fig. 1 may subscribe to data from the remote driving center 105 of fig. 1, and the remote driving center 105 of fig. 1 may subscribe to data from the in-vehicle terminal 101 of fig. 1.
The vehicle-mounted terminal 101 and the remote driving center 105 may be wireless terminals. A wireless terminal may be a device that provides voice and/or other traffic data connectivity to a user, a handheld device with wireless connectivity, or other processing device connected to a wireless modem. The wireless terminal may communicate with one or more core network devices via a radio access network (radio access network, RAN), and the remote driving center 105 may be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal, e.g., a portable, pocket, hand-held, computer-built-in or vehicle-mounted mobile device that exchanges voice and/or data with the radio access network. As another example, the wireless terminal may also be a personal communication services (personal communication service, PCS) phone, cordless phone, session initiation protocol (session initiation protocol, SIP) phone, wireless local loop (wireless local loop, WLL) station, personal digital assistant (personal digital assistant, PDA) or the like. A wireless terminal may also be referred to as a system, subscriber unit (subscriber unit), subscriber station (subscriber station), mobile station (mobile), remote station (remote station), remote terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user agent (ue agent), user device (user device or user equipment), without limitation.
The functions of the above-described in-vehicle terminal 101, control center 104, and remote driving center 105 may all be realized by terminal devices as shown in fig. 2.
Fig. 2 is a schematic structural diagram of an electronic device, which is shown according to an exemplary embodiment, the electronic device 20 may include one or more of the following components: a processing component 201, a memory 202, a power component 203, a multimedia component 204, an audio component 205, an input/output (I/O) interface 206, a sensor component 207, and a communication component 208.
The processing component 201 generally controls overall operation of the electronic device 20, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 201 may include one or more processors to execute instructions, e.g., the processor 201A, to perform all or part of the steps of the methods described above. Further, the processing component 201 may include one or more modules that facilitate interactions between the processing component 201 and other components. For example, the processing component 201 may include a multimedia module to facilitate interaction between the multimedia component 204 and the processing component 201.
The memory 202 is configured to store various types of data to support operations at the electronic device 20. Examples of such data include instructions for any application or method operating on the electronic device 20, contact data, phonebook data, messages, pictures, video, and the like. The memory 202 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
The power supply assembly 203 provides power to the various components of the electronic device 20. Power supply components 203 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for electronic device 20.
The multimedia component 204 includes a screen between the electronic device 20 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 204 includes a front camera and/or a rear camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the electronic device 20 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
The audio component 205 is configured to output and/or input audio signals. For example, the audio component 205 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 20 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 202 or transmitted via the communication component 208. In some embodiments, the audio component 205 further comprises a speaker for outputting audio signals.
The I/O interface 206 provides an interface between the processing component 201 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.
The sensor assembly 207 includes one or more sensors for providing status assessment of various aspects of the electronic device 20. For example, the sensor assembly 207 may detect an on/off state of the electronic device 20, a relative positioning of the components, such as a display and keypad of the electronic device 20, the sensor assembly 207 may also detect a change in position of the electronic device 20 or a component of the electronic device 20, the presence or absence of a user's contact with the electronic device 20, an orientation or acceleration/deceleration of the electronic device 20, and a change in temperature of the electronic device 20. The sensor assembly 207 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 207 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 207 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 208 is configured to facilitate communication between the electronic device 20 and other devices, either wired or wireless. The electronic device 20 may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In one exemplary embodiment, the communication component 208 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 208 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
It should be noted that the structure illustrated in the embodiment of the present application does not constitute a specific limitation on the electronic device 20; it will be appreciated that the electronic device 20 may include more or fewer components than shown, or may combine certain components, or split certain components, or a different arrangement of components; wherein the illustrated components may be implemented in hardware, software, or a combination of software and hardware.
The following describes the technical scheme of the present application and how the technical scheme of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be implemented independently or combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 3 is a schematic flow chart of a data transmission method according to an embodiment of the present application, where the data transmission method shown in fig. 3 is applicable to the internet of vehicles system shown in fig. 1, and the data transmission method shown in fig. 3 includes the following steps:
s300: the vehicle-mounted terminal is accessed to the Internet.
In the embodiment of the application, the vehicle-mounted terminal is a vehicle-mounted terminal included in a vehicle.
In a possible implementation manner, the vehicle-mounted terminal sends a registration message to the core network device to access the internet. The registration message comprises an account identifier of the vehicle-mounted terminal.
The vehicle-mounted terminal registers with the core network of the operator through the built-in 5G SIM card, and establishes network security connection with the core router of the operator to access the Internet.
S301: the remote driving center accesses the internet.
In the embodiment of the application, the remote driving center can also be called as a remote driving center.
In a possible implementation manner, the remote driving center registers with the operator core network through a built-in 5G SIM card, and establishes a secure connection with the operator core router to access the Internet.
S302: the vehicle-mounted terminal acquires the first type of data and the second type of data.
In an embodiment of the present application, the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle. The second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle.
In a possible implementation manner, the vehicle-mounted terminal acquires the first type of data through the connected sensor, and the vehicle-mounted terminal acquires the internal and external monitoring video data of the vehicle through the connected image acquisition equipment. And the vehicle-mounted terminal receives the vehicle driving route sent by other equipment.
S303: the vehicle-mounted terminal configures a first security policy for the first type of data according to a preset corresponding relation, and configures a second security policy for the second type of data.
In the embodiment of the application, the preset corresponding relation comprises a corresponding relation between the data type and the security policy. Wherein the data types include a first type and a second type. The security policies include a first security policy and a second security policy. Any security policy includes at least one encryption mode of hardware encryption, software encryption or transmission channel encryption. The first security policy includes less encryption than the second security policy.
Illustratively, the first security policy includes transmission channel encryption and the second security policy includes transmission channel encryption and software encryption. Alternatively, the second security policy includes transmission channel encryption and hardware encryption.
S304: the vehicle-mounted terminal encrypts the first type of data according to the first security policy to obtain first encrypted data, and encrypts the second type of data according to the second security policy to obtain second encrypted data.
In a possible implementation manner, the vehicle-mounted terminal encapsulates the first type of data according to the tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal to obtain first encrypted data. The vehicle-mounted terminal encrypts the second type of data through a preset software encryption algorithm, and encapsulates the encrypted second type of data according to a tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal to obtain second encrypted data.
S305: the vehicle-mounted terminal sends the first encrypted data and the second encrypted data to the remote driving center through the control center.
In a possible implementation manner, the vehicle-mounted terminal sends the first encrypted data and the second encrypted data to the remote driving center through the control center through a special tunnel corresponding to the account identifier of the vehicle-mounted terminal.
Illustratively, the vehicle-mounted terminal transmits the first encrypted data and the second encrypted data to the control center using a secure communication channel established based on a secure socket layer (secure socket layer, SSL)/secure transport layer (transport layer security, TLS) protocol, or a virtual private network (virtual private network, VPN) technology of an internet security (internet protocol security, IPsec) protocol. The control center sends the first encrypted data and the second encrypted data to the remote driving center through the secure communication channel.
S306: the remote driving center respectively acquires a first safety strategy corresponding to the first type and a second safety strategy corresponding to the second type according to a preset corresponding relation.
In the embodiment of the application, the remote driving center can preset the corresponding relation through codes. The security policy in the preset corresponding relation comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode.
S307: the remote driving center decrypts the first encrypted data according to the decryption mode included in the first security policy to obtain the first type of data, and decrypts the second encrypted data according to the decryption mode included in the second security policy to obtain the second type of data.
S308: the remote driving center feeds back the first type of data and the second type of data to the user.
Illustratively, the remote driving center simulates a driving gear, a speed, a heading angle, a yaw rate, etc. of the vehicle based on the first type of data and the second type of data.
Optionally, the remote driving center is integrated with various sensors, such as: acceleration sensor, course angle sensor, yaw rate, audio signal acquisition sensor etc..
S309: the remote driving center receives a user operation and acquires a third type of data in response to the user operation.
In an embodiment of the present application, the third type of data includes control instruction data for controlling the vehicle.
S310: and the remote driving center acquires a third security policy corresponding to the third type of data according to the preset corresponding relation.
In the embodiment of the present application, the third security policy includes more encryption modes than the second security policy.
S311: and the remote driving center encrypts the third type of data according to a third security policy to obtain third encrypted data.
In a possible implementation manner, the remote driving center encrypts the third type of data in the security chip through a preset software encryption algorithm, encapsulates the encrypted third type of data according to a tunnel protocol corresponding to the account identifier of the remote driving center, and obtains third encrypted data.
In another possible implementation manner, the remote driving center encrypts the third type of data through a preset software encryption algorithm, and encapsulates the encrypted third type of data through a security chip according to a tunnel protocol corresponding to the account identifier of the remote driving center to obtain third encrypted data.
S312: the remote driving center sends third encrypted data to the vehicle-mounted terminal through the control center.
In the embodiment of the application, the third encrypted data is used for the vehicle-mounted terminal to send the control instruction to the whole vehicle controller of the vehicle according to the control instruction data in the third encrypted data. The control command is for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
S314: the vehicle terminal obtains a third security policy corresponding to the third type according to the preset corresponding relation, and decrypts the third encrypted data according to a decryption mode included in the third security policy to obtain the data of the third type.
S315: and the vehicle terminal sends a control instruction to the whole vehicle controller of the vehicle according to the control instruction data in the third type of data.
In the embodiment of the application, the control instruction is used for controlling at least one of a steering wheel, an accelerator, a brake or a gear of the vehicle.
In a possible implementation manner, the vehicle terminal sends a control instruction to the whole vehicle controller of the vehicle through the CAN bus according to the control instruction data in the third type of data so as to control the operation of the vehicle.
In the embodiment of the application, the vehicle-mounted terminal can classify the data acquired by the vehicle-mounted terminal according to the importance degree of the data, and different types of data are encrypted in different numbers of encryption modes, so that the data are not excessively encrypted when being encrypted, thereby being beneficial to reducing the occupation of the vehicle-mounted terminal or the remote driving center to the computing resources in the vehicle-mounted terminal and the remote driving center in the process of encrypting or decrypting the data in the vehicle networking, and further being beneficial to reducing the delay in data transmission in the vehicle networking.
The method provided by the embodiment of the present application is described above with reference to fig. 3, and the device for performing the method provided by the embodiment of the present application is described below. Fig. 4 is a schematic structural diagram of a vehicle-mounted terminal 40 according to an embodiment of the present application. This example is not to be construed as limiting the embodiments of the application. The in-vehicle terminal 40 shown in fig. 4 includes a processing module 401 and a communication module 402, the processing module 401 being configured to: acquiring data of a first type and data of a second type; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle; configuring a first security policy for the first type of data according to a preset corresponding relation, and configuring a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types include a first type and a second type; the security policies include a first security policy and a second security policy; any security policy includes at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the first security policy includes less encryption than the second security policy; encrypting the first type of data according to the first security policy to obtain first encrypted data, and encrypting the second type of data according to the second security policy to obtain second encrypted data; the communication module 402 is configured to transmit the first encrypted data and the second encrypted data to a remote driving center through a control center. For example, in connection with FIG. 3, the processing module 401 may be used to perform S302-S304, and the communication module 402 may be used to perform S300 and S305.
Optionally, the data type further includes a third type, and the security policy further includes a third security policy; the vehicle-mounted terminal 40 is connected with the vehicle through the controller area network bus, and any security policy also comprises a decryption mode corresponding to the encryption mode; the communication module 402 is further configured to: receiving a third type of data from a remote driving center; the third type of data includes control instruction data for controlling the vehicle; the processing module 401 is further configured to obtain a third security policy corresponding to a third type of data according to a preset correspondence; the third security policy includes more encryption than the second security policy; decrypting the data of the third type according to a decryption mode included in the third security policy to obtain control instruction data; the communication module 402 is further configured to send a control instruction to the whole vehicle controller of the vehicle through the control local area network bus according to the control instruction data; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
Optionally, the first security policy includes transmission channel encryption; the communication module 402 is further configured to send a registration message to the core network device to access the internet; the registration message includes an account identification of the in-vehicle terminal 40; the communication module 402 is also used for accessing the internet; the processing module 401 is specifically configured to encapsulate the first type of data according to a tunneling protocol corresponding to the account identifier of the vehicle-mounted terminal 40, so as to obtain first encrypted data.
Optionally, the communication module 402 is specifically configured to send, through the control center, the first encrypted data to the remote driving center through a dedicated tunnel corresponding to the account identifier of the vehicle-mounted terminal 40.
In one example, in connection with FIG. 2, the functions of processing module 401 may be implemented by processing component 201 in FIG. 2 invoking computer instructions in memory 202 and communication module 402 may be implemented by communication component 208 in FIG. 2.
Fig. 5 is a schematic structural diagram of a remote driving center according to the present application, where the remote driving center 50 shown in fig. 5 includes a communication module 501 and a processing module 502, and the communication module 501 is configured to receive first encrypted data and second encrypted data from a vehicle terminal; the first encrypted data is data obtained by encrypting the first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting the second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle; the processing module 502 is configured to obtain a first security policy corresponding to the first type and a second security policy corresponding to the second type according to a preset corresponding relationship; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types include a first type and a second type; the security policies include a first security policy and a second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the first security policy includes less encryption than the second security policy; decrypting the first encrypted data according to a decryption mode included in the first security policy to obtain first type data, and decrypting the second encrypted data according to a decryption mode included in the second security policy to obtain second type data; and feeding back the first type of data and the second type of data to the user. For example, in connection with fig. 3, the communication module 501 may be configured to perform the receiving step in S301, S305, the transmitting step in S312, and the transmitting step in S315. The processing module 502 may be used to perform S306-S311.
Optionally, the data types further include a third type; the security policies also include a third security policy; the processing module 502 is further configured to receive a user operation, and obtain a third type of data in response to the user operation; the third type of data includes control instruction data for controlling the vehicle; acquiring a third security policy corresponding to the data of the third type according to a preset corresponding relation; the third security policy includes more encryption than the second security policy; encrypting the data of the third type according to the third security policy to obtain third encrypted data; the communication module 501 is configured to send third encrypted data to the vehicle-mounted terminal through the control center, where the third encrypted data is used for the vehicle-mounted terminal to send a control instruction to a vehicle controller of the vehicle according to the control instruction data; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
In one example, in connection with FIG. 2, the functions of processing module 502 may be implemented by processing component 201 in FIG. 2 invoking computer instructions in memory 202 and communication module 501 may be implemented by communication component 208 in FIG. 2.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as a memory 202, comprising instructions executable by the processing component 201 of the electronic device 20 to perform the above-described method. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
A non-transitory computer readable storage medium, which when executed by a processor of a terminal device, causes the terminal device to perform the above-described data transmission method.
An embodiment of the present application provides an electronic device, including: a processor, a memory communicatively coupled to the processor; the memory stores computer-executable instructions; the processor executes the computer-executable instructions stored in the memory to implement the data transmission method described above.
An embodiment of the present application provides a computer program product comprising a computer program which, when executed by a processor, implements the above-described data transmission method.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (7)

1. The data transmission method is characterized by being applied to a vehicle-mounted terminal which is connected with the Internet on a vehicle in the Internet of vehicles; the Internet of vehicles further comprises a control center connected with the Internet and a remote driving center connected with the Internet; the method comprises the following steps:
acquiring data of a first type and data of a second type; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data comprises a vehicle driving route of the vehicle or internal and external monitoring video data of the vehicle;
configuring a first security policy for the first type of data according to a preset corresponding relation, and configuring a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between a data type and a security policy; the data type includes the first type and the second type; the security policies include the first security policy and the second security policy; any security policy includes at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the first security policy includes less encryption than the second security policy;
Encrypting the first type of data according to the first security policy to obtain first encrypted data, and encrypting the second type of data according to the second security policy to obtain second encrypted data;
transmitting the first encrypted data and the second encrypted data to the remote driving center through the control center;
the data type further includes a third type, and the security policy further includes a third security policy; the vehicle-mounted terminal is connected with the vehicle through a controller local area network bus, and any security policy further comprises a decryption mode corresponding to the encryption mode; the method further comprises the steps of:
receiving the third type of data from the remote driving center; the third type of data includes control instruction data for controlling the vehicle;
acquiring the third security policy corresponding to the third type of data according to the preset corresponding relation; the third security policy includes more encryption than the second security policy;
decrypting the third type of data according to a decryption mode included in the third security policy to obtain the control instruction data;
Transmitting a control command to a whole vehicle controller of the vehicle through a control local area network bus according to the control command data; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
2. The method of claim 1, wherein the first security policy comprises transmission channel encryption; the method further comprises the steps of:
sending a registration message to core network equipment to access the Internet; the registration message comprises an account identifier of the vehicle-mounted terminal;
accessing to the Internet;
encrypting the first type of data according to the first security policy to obtain first encrypted data, including:
and encapsulating the first type of data according to a tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal to obtain the first encrypted data.
3. The method of claim 2, wherein the sending, by the control center, the first encrypted data to the remote driving center comprises:
and sending the first encrypted data to the remote driving center through the control center through a special tunnel corresponding to the account identifier of the vehicle-mounted terminal.
4. The data transmission method is characterized by being applied to a remote driving center connected with the Internet in the Internet of vehicles; the Internet of vehicles further comprises a vehicle-mounted terminal connected with the Internet and a control center connected with the Internet; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle; the method comprises the following steps:
receiving first encrypted data and second encrypted data from the vehicle-mounted terminal; the first encrypted data is data obtained by encrypting the first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting the second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data comprises a vehicle driving route of the vehicle or internal and external monitoring video data of the vehicle;
respectively acquiring a first security policy corresponding to the first type and a second security policy corresponding to the second type according to a preset corresponding relation; the preset corresponding relation comprises a corresponding relation between a data type and a security policy; the data type includes the first type and the second type; the security policies include the first security policy and the second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the first security policy includes less encryption than the second security policy;
Decrypting the first encrypted data according to a decryption mode included in the first security policy to obtain the first type of data, and decrypting the second encrypted data according to a decryption mode included in the second security policy to obtain the second type of data;
feeding back the first type of data and the second type of data to a user;
the data types further include a third type; the security policy further comprises a third security policy; the method further comprises the steps of:
receiving user operation and responding to the user operation to acquire the third type of data; the third type of data includes control instruction data for controlling the vehicle;
acquiring the third security policy corresponding to the third type of data according to the preset corresponding relation; the third security policy includes more encryption than the second security policy;
encrypting the data of the third type according to the third security policy to obtain third encrypted data;
the third encrypted data is sent to the vehicle-mounted terminal through the control center, and the third encrypted data is used for sending a control instruction to a whole vehicle controller of the vehicle according to the control instruction data by the vehicle-mounted terminal; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
5. The data transmission device is characterized by being applied to a vehicle-mounted terminal which is connected with the Internet on a vehicle in the Internet of vehicles; the Internet of vehicles further comprises a control center connected with the Internet and a remote driving center connected with the Internet; the data transmission device includes: the processing module and the communication module are used for processing the data;
the processing module is used for: acquiring data of a first type and data of a second type; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data comprises a vehicle driving route of the vehicle or internal and external monitoring video data of the vehicle;
configuring a first security policy for the first type of data according to a preset corresponding relation, and configuring a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between a data type and a security policy; the data type includes the first type and the second type; the security policies include the first security policy and the second security policy; any security policy includes at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the first security policy includes less encryption than the second security policy;
Encrypting the first type of data according to the first security policy to obtain first encrypted data, and encrypting the second type of data according to the second security policy to obtain second encrypted data;
the communication module is used for sending the first encrypted data and the second encrypted data to the remote driving center through the control center;
the data type further includes a third type, and the security policy further includes a third security policy; the vehicle-mounted terminal is connected with the vehicle through a controller local area network bus, and any security policy further comprises a decryption mode corresponding to the encryption mode;
the communication module is further configured to receive the third type of data from the remote driving center; the third type of data includes control instruction data for controlling the vehicle;
the processing module is further configured to obtain the third security policy corresponding to the third type of data according to the preset correspondence; the third security policy includes more encryption than the second security policy; decrypting the third type of data according to a decryption mode included in the third security policy to obtain the control instruction data;
The communication module is further used for sending a control instruction to the whole vehicle controller of the vehicle through a control local area network bus according to the control instruction data; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
6. The data transmission device is characterized by being applied to a remote driving center connected with the Internet in the Internet of vehicles; the Internet of vehicles further comprises a vehicle-mounted terminal connected with the Internet and a control center connected with the Internet; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle; the data transmission device includes: a communication module and a processing module;
the communication module is used for receiving first encrypted data and second encrypted data from the vehicle-mounted terminal; the first encrypted data is data obtained by encrypting the first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting the second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or an electricity consumption of the vehicle; the second type of data comprises a vehicle driving route of the vehicle or internal and external monitoring video data of the vehicle;
The processing module is used for respectively acquiring a first security policy corresponding to the first type and a second security policy corresponding to the second type according to a preset corresponding relation; the preset corresponding relation comprises a corresponding relation between a data type and a security policy; the data type includes the first type and the second type; the security policies include the first security policy and the second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the first security policy includes less encryption than the second security policy;
the processing module is further configured to decrypt the first encrypted data according to a decryption manner included in the first security policy to obtain the first type of data, and decrypt the second encrypted data according to a decryption manner included in the second security policy to obtain the second type of data;
the processing module is further used for feeding back the first type of data and the second type of data to a user;
the data types further include a third type; the security policy further comprises a third security policy;
The processing module is further used for receiving user operation and responding to the user operation to acquire the third type of data; the third type of data includes control instruction data for controlling the vehicle; acquiring the third security policy corresponding to the third type of data according to the preset corresponding relation; the third security policy includes more encryption than the second security policy; encrypting the data of the third type according to the third security policy to obtain third encrypted data;
the communication module is further used for sending the third encrypted data to the vehicle-mounted terminal through the control center, wherein the third encrypted data is used for sending a control instruction to a whole vehicle controller of the vehicle according to the control instruction data by the vehicle-mounted terminal; the control instructions are for controlling at least one of a steering wheel, throttle, brake or gear of the vehicle.
7. A computer-readable storage medium, in which computer-executable instructions are stored, which when executed by a processor are adapted to implement the data transmission method according to any one of claims 1 to 3 or to implement the data transmission method according to claim 4.
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